%I
%S 0,99,99022099,9988998,99990222209999,99998899998,
%T 99999902222220999999,999999889999998,99999999022222222099999999,
%U 9999999988999999998,99999999990222222222209999999999
%N a(n) is the largest number such that all of a(n)'s lengthn substrings are distinct and divisible by 11.
%H John Cerkan, <a href="/A093211/a093211.py.txt">Python2.7</a>
%H Hans Havermann, <a href="/A093211/a093211.txt">Table of A093211A093299</a>
%e a(3) is 99022099 because its length3 substrings (990, 902, 022, 220, 209, 099) are all distinct and divisible by 11 and there is no larger number with this property.
%Y Cf. A093212, A093213, ..., A093299.
%K base,nonn
%O 1,2
%A _Hans Havermann_, Mar 28 2004
%E a(8)a(10) from _John Cerkan_, May 20 2017
%E a(11) from _John Cerkan_, Oct 25 2017
